suneja
find open interval of convergence of series
summation n=o to infinity (1) x^n/ (n+1)2^n



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anonymous
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ration test would be good for this one i think

anonymous
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*"ratio"

suneja
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wat do mean by "open interval of convergence"

suneja
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n dont u think alternating series test wud be better

Zarkon
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you only need to use the AST when evaluating the endpoints of your interval of convergence

suneja
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cud u explain wat u mean

Zarkon
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start with the ratio test...show what you get